Off-By-One Vulnerabilities in UltraVNC Server Code
CVE-2019-8272

9.8CRITICAL

Key Information:

Vendor
Kaspersky
Status
Ultravnc
Vendor
CVE Published:
8 March 2019

Summary

UltraVNC revision 1211 is affected by multiple off-by-one vulnerabilities in its VNC server code. These vulnerabilities can potentially allow attackers to execute arbitrary code remotely through network access. The issues highlight a critical concern for users of UltraVNC, as they can be exploited if appropriate measures are not taken. The vulnerabilities have been addressed in revision 1212, which users are urged to update to in order to mitigate the risk of exploitation.

Affected Version(s)

UltraVNC 1.2.2.3

References

https://ics-cert.kaspersky.com/advisories/klcert-advisori...
x_refsource_MISC
https://cert-portal.siemens.com/productcert/pdf/ssa-92709...
x_refsource_CONFIRM
https://www.us-cert.gov/ics/advisories/icsa-20-161-06
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.